In Portraits and Persons , one of our leading philosophers of art illuminates the fascinating and fundamental questions posed by this enduring art form. Cynthia Freeland's discussion is remarkably free-wheeling. For example, in considering the simple question of whether one can have a portrait of an animal, she ranges from Descartes and Darwin to William Wegman's "May Ray" and David Hockney's dachshunds, and she sheds light on such issues as whether...